18378468513

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{46619}}^1$

素因数の和:46819

約数の個数: 40

約数和(自身を含む): 28520997120

約数和(自身を除く): 10142528607

約数列:

[1, 3, 9, 27, 31, 81, 93, 157, 279, 471, 837, 1413, 2511, 4239, 4867, 12717, 14601, 43803, 46619, 131409, 139857, 394227, 419571, 1258713, 1445189, 3776139, 4335567, 7319183, 13006701, 21957549, 39020103, 65872647, 117060309, 197617941, 226894673, 592853823, 680684019, 2042052057, 6126156171, 18378468513]

約数ペア:

[(1, 18378468513), (3, 6126156171), (9, 2042052057), (27, 680684019), (31, 592853823), (81, 226894673), (93, 197617941), (157, 117060309), (279, 65872647), (471, 39020103), (837, 21957549), (1413, 13006701), (2511, 7319183), (4239, 4335567), (4867, 3776139), (12717, 1445189), (14601, 1258713), (43803, 419571), (46619, 394227), (131409, 139857)]